1673872803 has 16 divisors (see below), whose sum is σ = 2490744960. Its totient is φ = 1110995208.

The previous prime is 1673872793. The next prime is 1673872831. The reversal of 1673872803 is 3082783761.

It is not a de Polignac number, because 1673872803 - 2⁴ = 1673872787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1673872843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130425 + ... + 142682.

It is an arithmetic number, because the mean of its divisors is an integer number (155671560).

Almost surely, 2^1673872803 is an apocalyptic number.

1673872803 is a deficient number, since it is larger than the sum of its proper divisors (816872157).

1673872803 is a wasteful number, since it uses less digits than its factorization.

1673872803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273343 (or 273337 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 1673872803 is about 40912.9906386712. The cubic root of 1673872803 is about 1187.3374085498.

The spelling of 1673872803 in words is "one billion, six hundred seventy-three million, eight hundred seventy-two thousand, eight hundred three".